{"product_id":"duravent-durachimney-ii-8-supplementary-support","title":"DuraVent DuraChimney II 8\" Supplementary Support","description":"\u003cdiv style=\"text-align: center;\"\u003e\n\u003cdiv class=\"product__title\"\u003e\n\u003cdiv class=\"product__title\"\u003e\n\u003ch3\u003eDuraVent DuraChimney II 8\" Supplementary Support\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\n\u003cp class=\"PDq2pG_selectionAnchorContainer\" data-end=\"603\" data-start=\"0\"\u003eThe \u003cstrong data-end=\"56\" data-start=\"4\"\u003eDuraVent DuraChimney II 8\" Supplementary Support\u003c\/strong\u003e is a high-performance factory-built chimney system accessory designed to provide additional structural reinforcement for DuraChimney II double-wall chimney installations. Ideal for wood-burning fireplaces, stoves, and solid-fuel venting systems, this supplementary support is part of a lightweight, unitized system that eliminates field assembly of pipe sections, allowing for faster, more efficient chimney installation in residential and commercial applications. It enhances overall system stability where added support is required.\u003cspan class=\"PDq2pG_selectionAnchor\" aria-hidden=\"true\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-is-only-node=\"\" data-is-last-node=\"\" data-end=\"1217\" data-start=\"605\"\u003eEngineered for safety and durability, the DuraChimney II supplementary support bracket works within a double-wall, air-cooled chimney system that keeps exterior surfaces cooler while maintaining strong internal draft efficiency. The system allows for radial and longitudinal thermal expansion under high heat conditions, ensuring long-term reliability and structural integrity. UL 103 listed, DuraChimney II is tested for continuous operation at 1000°F, one hour at 1400°F, and ten minutes at 1700°F, delivering dependable, code-compliant chimney system support and fire-safe performance.\u003c\/p\u003e\n\u003csection data-turn=\"user\" data-testid=\"conversation-turn-1049\" data-turn-id-container=\"1b86110a-6e4a-4adc-b017-8c44943d0a92\" data-turn-id=\"1b86110a-6e4a-4adc-b017-8c44943d0a92\" dir=\"auto\" class=\"text-token-text-primary w-full focus:outline-none has-data-writing-block:pointer-events-none [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-(--sticky-padding-top)\"\u003e\u003c\/section\u003e\n\u003ch3 data-is-intersecting=\"true\" data-turn-id-container=\"1b86110a-6e4a-4adc-b017-8c44943d0a92\"\u003eFeatures\u003c\/h3\u003e\n\u003cdiv data-is-intersecting=\"true\" data-turn-id-container=\"request-6a43b619-0ba0-83e9-8ec8-3118c3ecac8e-43\" class=\"\"\u003e\n\u003csection data-turn=\"assistant\" data-testid=\"conversation-turn-1050\" data-turn-id-container=\"request-6a43b619-0ba0-83e9-8ec8-3118c3ecac8e-43\" data-turn-id=\"request-6a43b619-0ba0-83e9-8ec8-3118c3ecac8e-43\" dir=\"auto\" class=\"text-token-text-primary w-full focus:outline-none has-data-writing-block:pointer-events-none [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\" data-conversation-screenshot-content=\"\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" data-message-model-slug=\"gpt-5-3-mini\" dir=\"auto\" data-message-id=\"ffae44c5-f130-4d04-a073-73bc7d3d5c9d\" data-message-author-role=\"assistant\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert wrap-break-word w-full light markdown-new-styling\"\u003e\n\u003cul data-is-only-node=\"\" data-is-last-node=\"\" data-end=\"1418\" data-start=\"0\"\u003e\n\u003cli data-end=\"264\" data-start=\"0\" data-section-id=\"1gyiwb8\"\u003e\n\u003cstrong data-is-only-node=\"\" data-end=\"99\" data-start=\"2\"\u003eDuraVent DuraChimney II 8\" Supplementary Support – \u003c\/strong\u003eHeavy-Duty Chimney Load Bearing Component: Designed for the DuraChimney II factory-built double-wall chimney system, ideal for wood-burning fireplaces, stoves, and solid-fuel venting installations.\u003c\/li\u003e\n\u003cli data-end=\"458\" data-start=\"265\" data-section-id=\"mnfycj\"\u003e\n\u003cstrong data-is-only-node=\"\" data-end=\"318\" data-start=\"267\"\u003eSupports Chimney Weight for Enhanced Stability:\u003c\/strong\u003e Engineered to help support the weight of DuraChimney II chimney pipe, improving overall structural integrity and installation safety.\u003c\/li\u003e\n\u003cli data-end=\"630\" data-start=\"459\" data-section-id=\"1150ogm\"\u003e\n\u003cstrong data-is-only-node=\"\" data-end=\"502\" data-start=\"461\"\u003eHigh-Capacity Chimney Support System:\u003c\/strong\u003e Rated to support a maximum of 25 feet of chimney height, ensuring reliable performance in extended vertical chimney runs.\u003c\/li\u003e\n\u003cli data-end=\"813\" data-start=\"631\" data-section-id=\"1wngppp\"\u003e\n\u003cstrong data-is-only-node=\"\" data-end=\"679\" data-start=\"633\"\u003eModular Support for Flexible Installation:\u003c\/strong\u003e\u003cstrong\u003e \u003c\/strong\u003eAdditional supplementary supports may be used as needed to meet system design requirements and ensure proper load distribution.\u003c\/li\u003e\n\u003cli data-end=\"986\" data-start=\"814\" data-section-id=\"1jnlesf\"\u003e\n\u003cstrong data-is-only-node=\"\" data-end=\"862\" data-start=\"816\"\u003eEssential Chimney System Safety Accessory:\u003c\/strong\u003e Helps maintain stability in UL-listed chimney system installations, reducing stress on pipe sections and connections.\u003c\/li\u003e\n\u003cli data-end=\"1169\" data-start=\"987\" data-section-id=\"130w9qk\"\u003e\n\u003cstrong data-is-only-node=\"\" data-end=\"1037\" data-start=\"989\"\u003eProfessional-Grade Chimney Support Hardware:\u003c\/strong\u003e Compatible with DuraChimney II double-wall chimney systems, commonly used in residential and commercial venting applications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eDetails\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eItem Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8DCA-SS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDuraChimney II (8\" - 16\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSupplementary Support\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDiameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eA\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12 3\/8\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003eDownloads\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0100\/7917\/4734\/files\/DuraChimney_II_Catalog_1.pdf?v=1645065033\" target=\"_blank\"\u003eProduct Catalog\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0100\/7917\/4734\/files\/L180_820003154_Install_Instructions_DuraChimney_II_8ef4e6d5-e904-4461-a96c-5c449db6c52e.pdf?v=1645064861\" target=\"_blank\"\u003eInstallation Manual\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0100\/7917\/4734\/files\/DuraChim_Typical_Installation.pdf?v=1649640543\" target=\"_blank\"\u003eTypical Installation\u003c\/a\u003e\u003ca href=\"https:\/\/usfireplacestore.com\/pages\/ca-prop-65-warning\" target=\"_blank\"\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"DuraVent","offers":[{"title":"Default Title","offer_id":53631883706659,"sku":"8DCA-SS","price":252.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0780\/6926\/8771\/files\/DuraVent-DuraChimney-II-8_-Supplementary-Support-DuraVent-Dreamwood-Living-234648786.jpg?v=1783316391","url":"https:\/\/www.dreamwoodliving.com\/products\/duravent-durachimney-ii-8-supplementary-support","provider":"Dreamwood Living","version":"1.0","type":"link"}